/**
 * Licensed to Jasig under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Jasig licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a
 * copy of the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.jasig.portal.jpa;

import org.jasig.portal.version.om.Version;

public interface IVersionedDatabaseUpdateHelper {
    /**
     * The persistence-unit name for the database this helper applies to
     */
    String getDatabaseName();
    
    /**
     * Version of the database this helper should be used to upgrade FROM.
     * <p/>
     * If this returns 4.0.2 then this helper will be used when updating from database
     * versions 4.0.0, 4.0.1, and 4.0.2. It will be ignored if updating from database
     * version 4.0.3 or later.
     */
    Version getVersion();
    
    /**
     * Run before updating to this version
     */
    void preUpdate();
    
    /**
     * Run after updating to this version
     */
    void postUpdate();
}
